Diagram sections — 32 (59 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for Buick Park Avenue 1999 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Buick Park Avenue 1999: 81 (eng harn, 6 cm from cruise control module breakout) (i/p harn, behind right side of dash) (right kick panel) g203 +5v A10 A11 A12 Act enable Act sense Amb temp input Ambient temperature sensor (center front of eng compt) B10 B11 B12 Battery Blo mot maxi fuse 30a Blo spd input Blower control module (behind right side of dash) Blower ground Blower motor Blower spd ctrl C10 C11 C12 C13 C14 C15 C16 Clock driver Cstr/ sbm fuse 10a D10 D11 D12 D13 D14 D15 D16 Data line Data link connector (left side of dash) Flange ground G200 (left kick panel) Ground Heater & a/c control Heater and a/c programmer (behind right side of dash) Hot at all times Hot in start or run Hvac fuse 10a I/p junction block Ignition Inside air temperature sensor (in left knee bolster, right of steering column) Inside temp input Interior lights system Kdd Kdd c/k Lamp feed Left a/c temperature sensor (on dash, behind left center a/c vent) Left heater temperature sensor (above left sound insulator) Left sunload temperature sensor (behind left side of dash) Lt a/c sensor Lt htr sensor Lt solar sensor Pass ctrl gnd Pass ctrl input Passenger climate control Pwm blw spd ctrl Red Right a/c temperature sensor (on dash, behind right center a/c vent) Right heater temperature sensor (above right sound insulator) Right sunload temperature sensor (top right of dash) Rt a/c sensor Rt htr sensor Rt solar sensor S208 S213 (i/p harn, 6.5 cm from passenger heater and a/c programmer connector) S214 Sensor ground Signal driver Sound system Tan Underhood junction block Vf input Automatic A/C Wiring Diagram (2 of 2) for Buick Park Avenue 1999 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Buick Park Avenue 1999: 49 (center front of engine) (engine harness, 15 cm cruise module breakout) (engine harness, near compressor clutch) (hvac harness, 29 cm from mode actuator breakout) (hvac harness, 33.5 cm from mode actuator breakout) (hvac harness, 50.5 cm from mode actuator breakout) +5 v A/c clu fuse 10a A/c clu relay A/c compressor clutch A/c compressor clutch diode A/c fuse 10a A/c pressure sensor (near a/c compressor, on hose assembly) A10 Air inlet actuator (right of blower motor) Cool fan 1 fuse 30a Cool fan 2 fuse 30a D11 Driver's side actuator (right side of heater and a/c programmer) E10 F11 G105 (near base of under- hood junction block) G125 High speed cooling fan relay Hot at all times Hot in start I/p junction block Left cooling fan motor Low speed cooling fan relay Mode actuator (left side of heater and a/c programmer) Nca Or run Passenger's side actuator (right side of heater and a/c programmer) Powertrain control module (left front of engine compt, in air cleaner assembly) Red Relay control Right cooling fan motor S106 S107 S115 S274 S275 S278 Sensor ground Serial data Series/parallel cooling fan relay Solid state Underhood jucntion block Vsb a/c Compressor Wiring Diagram for Buick Park Avenue 1999 List of elements for Compressor Wiring Diagram for Buick Park Avenue 1999: 19 (engine harn, near compressor clutch) (engine harn, near compressor clutch) s107 +5 volts A/c clu relay A/c clu fuse 10a A/c compres- sor clutch A/c compres- sor clutch diode A/c pressure sensor (near a/c compressor, on hose assembly) Class 2 serial data G125 (center front of engine) Heater and a/c programmer (behind right side of dash) Hot in start or run Nca Powertrain control module (left front of of eng compt, in air cleaner) Relay control S115 (eng harn, 15 cm from cruise module breakout) Sens grd Underhood junction block Vsb a/c
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Buick Park Avenue 1999 List of elements for Anti-lock Brake Wiring Diagrams for Buick Park Avenue 1999: 73 "anti-lock" ind (front center of engine) (left rear corner of engine compt) Abs fuse 10a Abs motor fuse 40a Abs sol fuse 40a Antilock indicator B c2 B13 Brake light switch Brake pressure modulator valve (bpmv) C10 Computer data lines system Delivered torque Delivered torque input Electronic brake/traction control module (ebtcm) (lower left front of eng compt) Electronic power steering system F12 G104 G125 G200 (at left kick panel) Ground Hot at all times Hot in run I/p fuse block Ign feed Instrument panel cluster Left front inlet valve solenoid Left front isolation valve solenoid Left front outlet valve solenoid Left front prime valve solenoid Left front wheel speed sensor Left rear inlet valve solenoid Left rear outlet valve solenoid Left rear wheel speed sensor Lf whl spd sens (hi) Lft frt whl spd sens (lo) Lft rear spd sens (hi) Lft rear whl spd sens (lo) Magnasteer (hi) Magnasteer (lo) Nca Powertrain control module (pcm) (near air cleaner housing) Pump motor Pump motor power output Red Requested torque Requested torque output Right front inlet valve solenoid Right front isolation valve solenoid Right front outlet valve solenoid Right front prime valve solenoid Right front wheel speed sensor Right rear inlet valve solenoid Right rear outlet valve solenoid Right rear wheel speed sensor Rt frt whl spd sens (hi) Rt frt whl spd sens (lo) Rt rear whl spd sens (hi) Rt rear whl spd sens (lo) S299 Serial data line Stop fuse 10a Stoplamp/btsi switch (brake pedal support) Tan Tcs on/off switch Tcs valve solenoid control signals Traction control switch Underhood fuse block Underhood junction block Underhood maxi fuse block Valve power output Valve solenoid control signals
ANTI-THEFT Forced Entry Wiring Diagram for Buick Park Avenue 1999 List of elements for Forced Entry Wiring Diagram for Buick Park Avenue 1999: 68 (right side of luggage compt, behind wheelhouse) A12 A15 A16 Ajar B (+) B15 B16 C10 Class 2 data line Computer data lines system Disarm/unlock Dome Door lock actuator Driver's door module (inside driver's door, above radio speaker) F11 Fuse 10a G403 Gnd Headlights flash Headlights system Horn relay control Horns system Hot at all times Hot in run and accy Hot in run or start I/p junction block (behind glove box) Ign Instrument cluster Left front door jamb switch (in left front door) Left front door lock cylinder switch (in left front door) Left front power door lock actuator (in left front door) Left front power window switch Left rear door jamb switch (in left front door) Left rear power door lock actuator (in left front door) Lf door ajar in Lf door open in Lr door ajar in Lr door open in Passenger's door module (inside front passenger's door, above radio speaker) Pnk Pnk e5 Pnk f5 Power distribution system Rear door module (under right side of rear seat) Rear junction block (below right side of rear seat) Red Remote function actuator module (under center of rear package shelf) Rf door ajar in Rf door open in Rfarsen fuse 10a Right front door jamb switch (in right front door) Right front door lock actuator (in left front door) Right front door lock cylinder switch (in right front door) Right rear door jamb switch (in left front door) Right rear door lock actuator (in left front door) Rr door ajar in Rr door open in S401 Sbmlcm fuse 10a Serial data class 2 Simple bus inter- face Simple bus interface Tan Tell tail in Tell tale out Underhood junction block (right front of engine compt) Wsw/rfa Pass-Key Wiring Diagram for Buick Park Avenue 1999 List of elements for Pass-Key Wiring Diagram for Buick Park Avenue 1999: 29 B (+) B11 B12 Body control module (behind glove box) D12 Data link connector (dlc) (under left side of dash) Driver's door module (inside driver's door) G200 (left kick panel) Gnd Heater & a/c programmer (near rear of glove box) Hot at all times Hot in unlock, run or start I/p junction block (behind glove box) Ign Ignition key Instrument cluster Pass-key iii module (on steering column) Pcm fuse 10a Pcm/ cru fuse 10a Pnk Power distribution system Powertrain control module (in air cleaner housing) Reader/ exciter Rear junction block (below right side of rear seat) S298 Serial data class 2 Solid state Transponder Underhood junction block (right front of engine compartment)
BODY COMPUTER Body Computer Wiring Diagrams (1 of 2) for Buick Park Avenue 1999 List of elements for Body Computer Wiring Diagrams (1 of 2) for Buick Park Avenue 1999: 85 (right kick panel) (ub7 cluster) A10 A11 A12 Auxiliary lighting input B10 B10 c3 B11 B12 Battery positive voltage Body control module (sbm) (behind glove box) C1 d10 C10 C11 C12 C13 C14 C15 C16 C2 f6 Class 2 serial data line Computer data lines system Coolant level switch (right front of engine compt, in right radiator tank) Courtesy lamp switch Crank positive voltage Crk fuse 5a Cstr/sbm fuse 10a D10 D11 D12 D13 D14 D15 D16 Defogger system E5 c3 Exterior lights system F5 c3 F7 c3 G106 (near rear of air cleaner housing) G200 (left kick panel) G203 Ground Heated seat enable Heated seat status Hot at all times Hot in run, bulb test, or start Hot in start Hot in unlock, run or start I/p fuse block (behind glove box) Ignition positive voltage Inadvertent power Instrument cluster system Interior lights system Key in ignition input Lamp control module (lcm) (behind left of dash, left of steering column) Lights on chime input Lights on input Low coolant input Park lamp input Pnk Power distribution system Primary defog relay Rear junction block (below right side of rear seat) S102 S213 Sbm fuse 10a Sbm fuse 15a Sbm lcm fuse 10a Seat belt switch Seat belt telltale output Seats system (heated seats) Shift interlock solenoid control Shift interlock system Theatre dim 1 Theatre dim 2 Trunk ajar input Trunk lid release switch input Trunk, tailgate, fuel doors system Ub7 cluster Underhood junction block (right front of engine compt, near battery) Underhood junction block (right front of engine compt, near battery) Warning systems Washer fluid level switch input Body Computer Wiring Diagrams (2 of 2) for Buick Park Avenue 1999 List of elements for Body Computer Wiring Diagrams (2 of 2) for Buick Park Avenue 1999: 60 A10 A11 A12 A13 A14 A15 A16 Anti-theft system B10 B11 B12 B13 B14 B15 B16 Backup lamps Battery pos voltage C3 a5 C4 b1 Chime Class 2 data lines Computer data lines system Deck lid release Exterior lights system F10 F11 G200 (left kick panel) G403 (right side of luggage compt, behind wheelhouse) Ground Headlamp alarm Headlights system Horn relay Horns system Hot at all times Hot in accy Hot in run or start I/p junction block (behind glove box) I/p junction block (behind glove box) Ignition key in input Ignition key warning switch Ignition pos voltage Lamp request Light/dark input Pnk Power distribution system Program enable in Rap relay Rear compartment lid latch switch (on center of rear compartment, on latch) Rear junction block (below right side of rear seat) Remote function actuator (rfa) module (under center of rear package shelf) Retained access power Rfarsen fuse 10a S298 S401 Sbm lcm fuse 10a Security telltale Trunk, tailgate, fuel doors system Underhood junction block (on right front of eng compt, near battery) Windshield washer fluid level switch (on washer fluid reservoir) Wsw/rfa fuse 10a
COMPUTER DATA LINES Computer Data Lines for Buick Park Avenue 1999 List of elements for Computer Data Lines for Buick Park Avenue 1999: 48 (behind glove box) body control module (behind glove box) i/p junction block (behind right side of dash, near rear of glove box) heater & a/c programmer (under center of rear package shelf) remote function actuator (rfa) module A12 A7 c2 B11 B12 B13 program enable input B14 B15 C10 C4 e&c serial data C7 c2 Cellular telephone handset Compact disc player D11 D12 D14 D15 Data link connector (dlc) (under left side of dash) Driver door module (ddm) (in driver's door, above radio speaker) E&c serial data E1 e&c serial data Electronic brake/traction control module (ebtcm) (on left front of engine compt, near base of radiator support) G200 (left kick panel) Heater & a/c programmer (behind right side of dash, near rear of glove box) Hot at all times Inflatable restraint sensing & diagnostic module (sdm) (below right front seat, under carpet) Instrument cluster Left front power window switch Memory seat module (msm) (on underside of left front seat, on seat adjuster frame) Pass-key iii control module (behind dash, on steering column) Passenger door module (pdm) (inside front passenger's door, above radio speaker) Powertrain control module (pcm) (on left front of engine compartment, in air cleaner housing) Radio Rear door module (rdm) (under right side of rear seat) Rear junction block (below right side of rear seat) Remote function actuator (rfa) module (under center of rear package shelf) S210 S213 Sbi data Serial data Trk rel fuse 15a W/ lumbar seat W/ memory seat W/o lumbar seat W/o memory seat
COOLING FAN Cooling Fan Wiring Diagram for Buick Park Avenue 1999 List of elements for Cooling Fan Wiring Diagram for Buick Park Avenue 1999: 16 A10 Block) Cool fan 1 fuse 30a Cool fan 2 fuse 30a D11 E10 F11 High speed cooling fan relay Hot at all times Left cooling fan motor Low speed cooling fan relay Powertrain control module (left front of engine compt, in air cleaner assembly) Relay control Right cooling fan motor Series/parallel cooling fan relay Underhood junction block
CRUISE CONTROL Cruise Control Wiring Diagram for Buick Park Avenue 1999 List of elements for Cruise Control Wiring Diagram for Buick Park Avenue 1999: 45 A6 c2 All times B12 B6 c3 C10 C202 Cr cont fuse 10a Cruise control module (on firewall, near brake master cylinder) Cruise enabled input Cruise engaged output Cruise inhibit input Cruise inhibit output Cruise on/off input Cruise switch G117 (right rear or engine, below power steering pump) Ground Hot at Hot in run Hot in run & start I/p junction block I/p junction block (behind glove box) Ignfd fuse 10a Ignition Left underhood fuse block Nca Off Pnk Powertrain control module (pcm) (left front of engine compt) R/a Rear fuse block (below right side of rear seat) Resume/accel input S108 Set Set/coast input Stop fuse 20a Stoplamp swich input Stoplamp switch (on brake pedal support) Tcc switch input Tcc/cruise release switch (on brake pedal support) Turn signal/ multifunction switch Vehicle speed input Vehicle speed sensor (vss) (lower right rear of engine compt) Vss high Vss low Vss output
DEFOGGERS Defogger Wiring Diagram for Buick Park Avenue 1999 List of elements for Defogger Wiring Diagram for Buick Park Avenue 1999: 47 A2 c4 A4 c3 Am grid Antenna Antenna input Antenna power B3 c4 Battery Body control module (behind glove box) Bus interface C10 c2 C11 c3 C12 C3 c1 C3 f3 Coaxial cable Computer data lines Data Data line Driver's door module (inside driver's door) E10 c1 E3 c4 Heater & a/c control assembly Hot at all times Hot in run or start Htd bk lite relay Hvac programmer (behind right side of dash) I/p junction block (behind glove box) Ign sen fuse 10a Left outside mirror Mirror defog feed Mirror defog rtn Nca Passenger's door module (inside passenger's door) Radio Radio antenna module (behind left rear upper sail trim panel) Radio antenna module coil Rear defog input Rear defog/ fm output Rear defogger/ antenna grid (on rear glass) Rear junction block Rear junction block (below right side of rear seat) Red Relay ctrl Right outside mirror Rrdefog maxifuse 40a Underhood junction block
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Buick Park Avenue 1999 List of elements for Electronic Power Steering Wiring Diagram for Buick Park Avenue 1999: 18 (near base of windshield washer reservoir) g102 Abs fuse 10a Abs motor fuse 40a Abs solenoid fuse 40a Battery Electronic brake/ traction control module (ebtcm) (on left front corner of engine compartment, near base of radiator support) F12 Ground Hot at all times Hot in run I/p junction block (behind glove box) Ignition Input high Input low Red Underhood junction block (on right front of engine compt, near battery) Underhood maxi-fuse block (on right front of engine compartment, forward of strut tower) Variable power steering solenoid (on power steering rack)
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram for Buick Park Avenue 1999 List of elements for Electronic Suspension Wiring Diagram for Buick Park Avenue 1999: 31 (left side of luggage compt, behind wheelhouse) g402 (right side of luggage compt, behind wheelhouse) g403 Alc circuit breaker 30a Alc fuse 10a Automatic Automatic level control compressor (on right rear of vehicle, right of rear frame rail) Automatic level control suspension position sensor (left front side of rear suspension C11 Compressor control Compressor motor D10 D11 D12 Exhaust solenoid Exhaust solenoid control F11 F12 Ground Hot at all times Hot in run I/p fuse block (behind glove box) Level control relay Nca Nca a Nca c Power input Rear fuse block (below right side of rear seat) Reset S400 S401 Test output
ENGINE PERFORMANCE
3.8L 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue 1999 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue 1999: 91 (front of eng, below power steering pump) (left side of eng) knock sensor (ks) bank 1 (not used) (vin 1) (vin k) 1-2 shift sol control 18x ref 18x reference 2-3 shift sol control 3x ref 3x reference A/t speed sensor high A/t speed sensor low A12 Abs/tcc switch (on brake pedal support) Bank 1 ks input Bank 2 ks input Battery Bypass C3i fuse 10a Ckp 18x sig Ckp sync sig Cmp input Cmp output Cmp signal Computer data lines system Cooling fan system Cruise control Cruise disable/inhibit in Cruise module, hud dis- play & inst cluster Desired torque input Desired torque output E12 Ect sensor ground Egr control ground Egr pos sensor ground Electronic brake/ traction control module (ebtcm) (left front of eng compt, base of rad supp) Evap purge valve cont Evaporative emissions (evap) purge valve (top right side of eng) F12 Fuel inj 1 control Fuel inj 2 control Fuel inj 4 control Fuel inj 5 control Fuel inj 6 control Fuel pump speed control G125 G125 (left front of eng, under ignition control module) Ground Hi speed cool fan cont Ho2s 1 low Ho2s 2 low Hot at all times Hot in off, run and start Hot in run & start Iac coil b high Iat sensor ground Ign Ign control Ign voltage Ignfd fuse 10a Ignition Ignition control Ignition control (ic) module (left front of eng, under ign coils) Knock sensor (ks) bank 2 (right side of eng) Lo speed cool fan cont Maf sensor input Map sensor ground Mass air flow (maf) sensor (rear of eng, in intake duct) Pcm fuse 10a Pcm ground Pcm/cru fuse 10a c3 Pnk Pnk a Powertrain control module (pcm) (in air cleaner housing) Rear junction block (below right side of rear seat) Ref low Reference low S108 Serial data (class 2) Signal Tan Tcc switch input Tp sensor ground Trans range a input Trans range sw b input Underhood junction block (near battery) Vehicle speed sensor (vss) (right rear of eng compt, on transaxle) Vss high Vss low Vss output 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue 1999 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue 1999: 28 (front of eng, below power steering pump) (ign cont module harn, 26 cm from ign cont module) (top right front of transaxle) park/neutral position (pnp) switch 1-2 shift sol 2-3 shift sol A/t fluid pressure manual valve position switch A/t fluid temp sensor A/t input shaft speed sensor Automatic transaxle (4t65-e) Automatic transmission Camshaft position sensor (cmp) (right front of eng) Crankshaft position sensor (ckp) (left front of eng) Fuel injectors G125 Hot in run & start Injr fuse 10a Pnk Pressure control solenoid Red Red a Rev S108 S135 S136 (ign cont module harn, 20 cm from ign cont module) Tan Tcc pwm sol Tcc rel Underhood junction block (near battery) 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue 1999 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue 1999: 41 (behind glove box) (behind right pwm control fuel pump (below right side of rear seat) (eng harn, 15 cm from cruise module breakout) (eng harn, 47 cm from pcm) s105 (front of eng, below power steering pump) (on evap cannister) evaporative emissions (evap) canister vent solenoid (right side of trunk, on rear of wheelhouse) g403 A/c pressure sensor (near a/c compressor, on hose assembly) E12 Engine oil pressure sensor (below power steering pump) Exhaust gas recirculation (egr) valve (top right rear of engine) F/pmp fuse 20a Feed fuel pump Fuel pump Fuel pump control module (vin 1) Fuel pump relay Fuel sender Fuel tank pressure sensor (in fuel tank) G125 Ground High fuel pump Hot at all times Hot in run & start I/p junction block Intake air temperature (iat) sensor (in air intake assmebly) Low fuel pump Manifold absolute pressure (map) sensor (top right side of engine) Pnk Rear junction block Rear wheel- house) Red S108 S115 S401 Sbm/lcm fuse 10a Tan Throttle position (tp) sensor (on throttle body) Underhood junction block (near battery) Vin 1 Vin k 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue 1999 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue 1999: 81 (behind glove box) i/p junction block (below power steer pump) (left kick panel) (top left rear of engine) (vin 1) 5 volt reference a 5 volt reference b A/c clu fuse 10a A/c comp relay control A/c press sensor in A/c system A/t fluid temp input Abs switch input Abs/tcc switch (brake pedal support) Boost control solenoid Boost solenoid control Charging system Crk fuse 5a Cruise control Cruise status Delivered torque input Desired torque control Ect sensor input Egr pintel position input Egr valve control Electronic brake/traction control module (ebtcm) (left front eng compt, base of radiator suppport) Eng oil level sw input Eng oil press sensor in Engine coolant temperature (ect) sensor (thermostat housing) Engine oil level switch (on engine oil pan) Evap solenoid control Front heated oxygen sensor (ho2s 1) (on right exhaust manifold) Fuel inj 3 control Fuel pump relay control Fuel tank press sensor G125 G200 Gen term f monitor Gen term l control Ho2s 1 input Ho2s 2 input Hot in run & start Hot in start Iac coil a high Iac coil a low Iac coil b low Iat sensor input Idle air control (iac) valve (on top of throttle body) Ignition Instrument cluster Map sensor input Mil control Mil ind Nca Oxy sen fuse 10a Pcm fuse 10a Pnk Post catalytic converter heated oxygen sensor (ho2s 2) (rear of cat converter) Power dist system Powertrain control module (pcm) (in air cleaner housing) Press sol high control Press sol low control Rear junction block (below right side of rear seat) Red S108 S203 Sbm lcm fuse 10a Sensor ground Starter enable Starting/ charging system Tach output Tan Tcc pwm sol control Tp sensor input Trans range b input Trans range c input Trans range sw c input Trans range sw d input Trans range sw p input Trans tcc release sw in Underhood junction block (near battery) 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue 1999 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue 1999: 91 (front of eng, below power steering pump) (left side of eng) knock sensor (ks) bank 1 (not used) (vin 1) (vin k) 1-2 shift sol control 18x ref 18x reference 2-3 shift sol control 3x ref 3x reference A/t speed sensor high A/t speed sensor low A12 Abs/tcc switch (on brake pedal support) Bank 1 ks input Bank 2 ks input Battery Bypass C3i fuse 10a Ckp 18x sig Ckp sync sig Cmp input Cmp output Cmp signal Computer data lines system Cooling fan system Cruise control Cruise disable/inhibit in Cruise module, hud dis- play & inst cluster Desired torque input Desired torque output E12 Ect sensor ground Egr control ground Egr pos sensor ground Electronic brake/ traction control module (ebtcm) (left front of eng compt, base of rad supp) Evap purge valve cont Evaporative emissions (evap) purge valve (top right side of eng) F12 Fuel inj 1 control Fuel inj 2 control Fuel inj 4 control Fuel inj 5 control Fuel inj 6 control Fuel pump speed control G125 G125 (left front of eng, under ignition control module) Ground Hi speed cool fan cont Ho2s 1 low Ho2s 2 low Hot at all times Hot in off, run and start Hot in run & start Iac coil b high Iat sensor ground Ign Ign control Ign voltage Ignfd fuse 10a Ignition Ignition control Ignition control (ic) module (left front of eng, under ign coils) Knock sensor (ks) bank 2 (right side of eng) Lo speed cool fan cont Maf sensor input Map sensor ground Mass air flow (maf) sensor (rear of eng, in intake duct) Pcm fuse 10a Pcm ground Pcm/cru fuse 10a c3 Pnk Pnk a Powertrain control module (pcm) (in air cleaner housing) Rear junction block (below right side of rear seat) Ref low Reference low S108 Serial data (class 2) Signal Tan Tcc switch input Tp sensor ground Trans range a input Trans range sw b input Underhood junction block (near battery) Vehicle speed sensor (vss) (right rear of eng compt, on transaxle) Vss high Vss low Vss output 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue 1999 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue 1999: 28 (front of eng, below power steering pump) (ign cont module harn, 26 cm from ign cont module) (top right front of transaxle) park/neutral position (pnp) switch 1-2 shift sol 2-3 shift sol A/t fluid pressure manual valve position switch A/t fluid temp sensor A/t input shaft speed sensor Automatic transaxle (4t65-e) Automatic transmission Camshaft position sensor (cmp) (right front of eng) Crankshaft position sensor (ckp) (left front of eng) Fuel injectors G125 Hot in run & start Injr fuse 10a Pnk Pressure control solenoid Red Red a Rev S108 S135 S136 (ign cont module harn, 20 cm from ign cont module) Tan Tcc pwm sol Tcc rel Underhood junction block (near battery) 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue 1999 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue 1999: 41 (behind glove box) (behind right pwm control fuel pump (below right side of rear seat) (eng harn, 15 cm from cruise module breakout) (eng harn, 47 cm from pcm) s105 (front of eng, below power steering pump) (on evap cannister) evaporative emissions (evap) canister vent solenoid (right side of trunk, on rear of wheelhouse) g403 A/c pressure sensor (near a/c compressor, on hose assembly) E12 Engine oil pressure sensor (below power steering pump) Exhaust gas recirculation (egr) valve (top right rear of engine) F/pmp fuse 20a Feed fuel pump Fuel pump Fuel pump control module (vin 1) Fuel pump relay Fuel sender Fuel tank pressure sensor (in fuel tank) G125 Ground High fuel pump Hot at all times Hot in run & start I/p junction block Intake air temperature (iat) sensor (in air intake assmebly) Low fuel pump Manifold absolute pressure (map) sensor (top right side of engine) Pnk Rear junction block Rear wheel- house) Red S108 S115 S401 Sbm/lcm fuse 10a Tan Throttle position (tp) sensor (on throttle body) Underhood junction block (near battery) Vin 1 Vin k 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue 1999 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue 1999: 81 (behind glove box) i/p junction block (below power steer pump) (left kick panel) (top left rear of engine) (vin 1) 5 volt reference a 5 volt reference b A/c clu fuse 10a A/c comp relay control A/c press sensor in A/c system A/t fluid temp input Abs switch input Abs/tcc switch (brake pedal support) Boost control solenoid Boost solenoid control Charging system Crk fuse 5a Cruise control Cruise status Delivered torque input Desired torque control Ect sensor input Egr pintel position input Egr valve control Electronic brake/traction control module (ebtcm) (left front eng compt, base of radiator suppport) Eng oil level sw input Eng oil press sensor in Engine coolant temperature (ect) sensor (thermostat housing) Engine oil level switch (on engine oil pan) Evap solenoid control Front heated oxygen sensor (ho2s 1) (on right exhaust manifold) Fuel inj 3 control Fuel pump relay control Fuel tank press sensor G125 G200 Gen term f monitor Gen term l control Ho2s 1 input Ho2s 2 input Hot in run & start Hot in start Iac coil a high Iac coil a low Iac coil b low Iat sensor input Idle air control (iac) valve (on top of throttle body) Ignition Instrument cluster Map sensor input Mil control Mil ind Nca Oxy sen fuse 10a Pcm fuse 10a Pnk Post catalytic converter heated oxygen sensor (ho2s 2) (rear of cat converter) Power dist system Powertrain control module (pcm) (in air cleaner housing) Press sol high control Press sol low control Rear junction block (below right side of rear seat) Red S108 S203 Sbm lcm fuse 10a Sensor ground Starter enable Starting/ charging system Tach output Tan Tcc pwm sol control Tp sensor input Trans range b input Trans range c input Trans range sw c input Trans range sw d input Trans range sw p input Trans tcc release sw in Underhood junction block (near battery)
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Buick Park Avenue 1999 List of elements for Back-up Lamps Wiring Diagram for Buick Park Avenue 1999: 12 B/u lp fuse 10a G403 (right side of luggage compt, behind wheelhouse) Hot at all times I/p fuse block Left backup lamp Mirrors system (automatic day/night mirrors) Perim lp relay Remote function actuator (rfa) module (under center of rear package shelf) Reverse relay control Right backup lamp S408 (taillamp harness) S409 Exterior Lamps Wiring Diagram (1 of 2) for Buick Park Avenue 1999 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Buick Park Avenue 1999: 68 (near rear of air cleaner housing) g106 (taillamp harness) s406 (taillamp harness) s407 A10 A11 A14 B10 B11 B12 Batt (b+) Body control module (bcm) (behind glove box) C12 D12 E11 E12 F10 G103 (base of right strut tower) G200 (left kick panel) G403 (right side of luggage compt, behind wheel- house) G403 (right side of luggage compt, behind wheelhouse) Ground Haz sig in Hdlp maxifuse 30a Head Headlamp switch High mount stop lamps Hot at all times Hot in run or start Hzdt/sg fuse 15a I/p fuse block Lamp control module (lcm) (behind left side of dash, right of steering column) Left & right front cornering lamps Left tail/ stop lamp Left tail/ turn lamp License lamp Lp pk fuse 25a Lp pk l fuse 10a Lp pk r fuse 15a Lt turn in Lt turn out Nca Off Park Pnk Rear fuse block Red Remote function actuator (fra) module (under center of rear package shelf) Right tail/ stop lamp Right tail/ turn lamp Rt turn in Rt turn out S110 S200 (body harness, left side of steering column) S201 (body harn, left side of steering column) S203 S210 S213 S299 S401 S409 Sbm/lcm fuse 10a Stop fuse 10a Stop lamp/ btsi switch (behind dash, on brake pedal support) T/sig fuse 10a Tan Turn signal flasher (behind dash, right of steering column carrier) Turn signal/ hazard switch Underhood fuse block Exterior Lamps Wiring Diagram (2 of 2) for Buick Park Avenue 1999 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Buick Park Avenue 1999: 31 (near rear of air cleaner housing) g106 (rear lamp harness) s402 (right side of luggage compt, behind wheelhouse) g403 B11 E10 G103 (base of right front strut tower) G402 (left side of luggage compt, behind wheelhouse) I/p fuse block Instrument cluster Left front park/turn lamp Left front side marker lamp Left rear side marker lamp Left tail/ stop lamp Left tail/ turn lamp Left turn in Rear fuse block Right front park/turn lamp Right front side marker lamp Right rear side marker lamp Right tail/ stop lamp Right tail/ turn lamp Right turn in S101 S102 S400 S401 S403 (rear lamp harness) S404 S405 Tan Underhood fuse block
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Buick Park Avenue 1999 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Buick Park Avenue 1999: 47 (3.8l vin 1) coolant level switch A/c compressor clutch A/c compressor clutch diode Automatic transaxle internal mode switch Battery Brake pressure modulator valve C119 Cooling fan s/p relay Cruise control module E10 Electronic brake/ traction control module Engine oil level switch Fuel pump relay G102 (near base of windshield washer reservoir) G103 (base of right front strut tower) G106 (near rear of air cleaner housing) G117 (right rear of engine, below power steering pump) G119 (under igniton control module bracket) G125 (lower center front of engine) Heated oxygen sensor bank 1 sensor 1 Heated oxygen sensor bank 1 sensor 2 Ignition control module Ignition relay Left cornering lamp Left front park/ turn signal lamp Left high beam headlamp Left horn Left low beam headlamp Mass airflow sensor Nca Powertrain control module Right cooling fan motor Right cornering lamp Right front park/ turn signal lamp Right high beam headlamp Right horn Right low beam headlamp S100 S101 (forward lamp harn, 54 cm from electrical center conn c1) S102 (forward lamp harn, 6.5 cm from horn breakout) S106 (eng harn, 6 cm from a/c comp clutch breakout) S108 (eng harn, 20 cm from ebtcm breakout) S109 (in right headlamp harness) S110 (left headlamp harness) Underhood junction block Windshield washer pump motor Windshield wiper motor Ground Distribution Wiring Diagram (2 of 3) for Buick Park Avenue 1999 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Buick Park Avenue 1999: 63 (body harn, 6.5 cm from left front door breakout) s203 (left kick panel) A11 a11 A12 Abs/ tcc switch Accessory power receptacle Accessory relay Ambient light sensor Ash tray lamp B11 Blower motor control module Body control module Brake fluid level switch C16 D16 Data link connector Driver door module Fuel door release switch G200 G203 (right kick panel) Head up display Head- lamp dimmer switch Headlamp switch Heater and a/c control Hvac control conn breakout) Hvac programmer I/p cigar lighter I/p compartment lamp switch I/p junction block Ignition 3 relay Inflatable restraint steering wheel coil module Key-in ignition switch Lamp control module Left front seat belt switch Left heated seat module Left heated seat switch Left lumbar switch Left seat switch Memory seat module Nca Panel dimming module Passenger door module Passenger temperature control Rear cigar lighter Rear compartment lid release switch Rear door module Right front seat switch Right heated seat module Right heated seat switch Right lumbar switch S207 (body harn, 5 cm from right kick panel g203 breakout) S208 (body harn, 8 cm from right kick panel g203 breakout) S217 (knee bolster jumper harn, left of glove box) S298 (steering column harness) S299 (steering column harn) S332 (left front seat harness, below seat) S333 (right front seat harn, 37 cm from right front seat switch) Theft deterrent module To s205 (diagram 3 of 3) To s206 (diagram 3 of 3) Traction control switch Turn signal/ hazard switch Windshield washer solvent level switch Ground Distribution Wiring Diagram (3 of 3) for Buick Park Avenue 1999 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Buick Park Avenue 1999: 79 (body harn, 19.5 cm from left front door breakout) (body harness, 10.5 cm g402 breakout) (from g200, diagram (headliner harn) s303 (i/p harn, 5 cm from head up display module breakout) s210 (taillamp harness, left rear corner of luggage compt) (to g200, diagram 2 of 3) (w/ bose) radio (w/o bose) radio 2 of 3) A12 Audio amplifier Automatic day/ night mirror Automatic level control compressor Automatic level control sensor B10 B16 C1 d Cellular telephone handset Cellular telephone module Center high mount stop lamp Compact disc player Data link connector Driver door module Driver information center switch E16 Fuel sender G301 (below right front seat) G402 (left side of luggage compt, behind wheelhouse) G403 (right side of luggage compt, behind wheel house) Garage door opener Head up display switch Inflatable restraints sensing & diagnostic module Instrument cluster Lamp control module Left back up lamp Left front door lock switch Left front vanity mirror Left reading lamp switch Left rear door cigar lighter Left rear reading lamp switch Left rear side marker lamp Left rear vanity mirror Left tail/ stop lamp Left tail/ turn lamp License lamp Memory seat/mirror switch Nca Outside moisture sensor Rear compt lid latch switch Rear compt lid release actuator Rear door module Rear junction block Remote function actuator module Right back up lamp Right front vanity mirror Right reading lamp switch Right rear door cigar lighter Right rear reading lamp switch Right rear side marker lamp Right rear vanity mirror Right tail/ signal lamp Right tail/ stop lamp Right tail/ turn lamp S205 (body harn, 13 cm from left front door breakout) S206 S209 (i/p harn, 4 cm from dic breakout) S306 (headliner harn, right rear of passenger compt) S307 S400 S401 (body harn, right "c" pillar) S404 (left rear corner lamp harness) S405 (right rear corner lamp harn) S409 S503 (left front door harn, 29.5 cm from door switch breakout) Shift interlock actuator Sunroof control module Turn signal flasher Under- hood lamp
HEADLIGHTS Headlight Wiring Diagram for Buick Park Avenue 1999 List of elements for Headlight Wiring Diagram for Buick Park Avenue 1999: 81 (behind glove box) 200k ohms 3.6k ohm A11 Ambient light input Ambient light sensor (top center of dash) B c2 B10 B11 B12 Battery Body control module (behind glove box) Btsi drive C12 D10 Demand in Drl hi-beam E12 F10 Flash Flash -to- pass switch Flash pass G103 (base of right front strut tower) G106 (near rear of air cleaner housing) G200 (left kick panel) Gnd Hdhibml fuse 10a Hdhibmr fuse 10a Hdlobml fuse 10a Hdlobmr fuse 10a Hdlp fuse 30a Hdlp sw in Headlamp dimmer switch Headlamp switch Hi-beam Hi-beam ind Hi-beam sw High beam indicator High beam switch Hot at all times Hot in run or start I/p fuse block I/p fuse block (behind glove box) Ign (r/s) in Instrument panel cluster Lamp control module (right of steering column) Left high beam headlamp Left low beam headlamp Lights on input Low-beam Lp pk fuse 25a Lps on out Nca P gear in Park lamp switch Passenger temperature control Perimeter lighting Pk lp sw in Pnk Red Remote function actuator module (under center of rear shelf) Right high beam headlamp Right low beam headlamp S101 S102 S109 S110 S203 S210 S213 S299 Sbm lcm fuse 10a Shift interlock solenoid Stoplamp/ btsi switch (on brake pedal support) Tan Twilight delay switch Twilight sentinel switch Twlt delay Underhood fuse block (near battery) W/ t62 W/o t62
HORN Horn Wiring Diagram for Buick Park Avenue 1999 List of elements for Horn Wiring Diagram for Buick Park Avenue 1999: 22 (left front corner of vehicle) (right front corner of vehicle) (under right side of rear seat) C1 b2 F10 G103 (base of right front strut tower) G106 (near rear of air cleaner housing) Horn fuse 30a Horn relay Horn relay control Horn slip ring Horn switch Hot at all times Left horn Rear junction block Remote function actuator (rfa) module (under center of rear package shelf) Right horn Right horn (right front corner of vehicle) S101 S102 Steering wheel Underhood junction block (right front of engine compartment)
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Buick Park Avenue 1999 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Buick Park Avenue 1999: 38 1998- Auxiliary lighting ctrl b1 Auxiliary lighting input Body control module (right side of dash) C15 Courtesy lamp input Courtesy lamps switch D10 D13 From left footwell courtesy lamp (diagram 1 of 2) From rear junction block (diagram 1 of 2) G200 (left kick panel) G403 (right side of luggage compt, behind wheel- house) Garage door opener Headlamp switch I/p junction block (behind glove box) c1 Inadvertent power input Left front courtesy/ reading lamp Left front reading lamp switch Left front vanity mirror Left rear courtesy/ reading lamp Left rear reading lamp switch Left rear vanity mirror Office work lamp Remote function actuator module (under center of rear package shelf) Right front courtesy/ reading lamp Right front reading lamp switch Right front vanity mirror Right rear courtesy/ reading lamp Right rear reading lamp switch Right rear vanity mirror S213 S302 (headliner harn, approx 60 cm from breakout to in-line conn) S303 S304 (headliner harn, approx 47 cm from breakout to inside rear view mirror) S308 Theatre dim-2 W/ w24 Courtesy Lamps Wiring Diagram (2 of 2) for Buick Park Avenue 1999 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Buick Park Avenue 1999: 60 (body harn, aprox 32 cm from 10-pin conn near left rear door grommet) (left front door harn, approx 4 cm from left door sw breakout) s501 A10 c4 A3 c1 A9 c1 Actuator gnd a c3 B10 c4 Battery voltage Body control module (behind glove box) C10 Class 2 serial data line Class 2 serial data line c1 Computer data lines system D1 c2 D4 c1 D9 c4 Door open input c Driver's door module (inside driver's door, above radio speaker) E6 c2 G203 (right kick panel) G403 (right side of luggage compt, behind wheel- house) Hot at all times I/p compartment lamp I/p compartment lamp switch I/p fuse block (behind glove box) I/p junction block (behind glove box) Inadvertent power d1 Left footwell courtesy lamp Left front door courtesy lamp Left front door lock actuator Left rear door courtesy lamp Left rear door lock actuator Lr actuator gnd a9 Lr door open input a7 Passenger's door module (inside passenger's door, above radio speaker) Rear compartment courtesy lamp switch Rear compartment lamp Rear door module (under right side of rear seat) Rear fuse block (below right side of rear seat) Rear junction block (under right side of rear seat) Red Right footwell courtesy lamp Right front door courtesy lamp Right front door lock actuator Right rear door courtesy lamp Right rear door lock actuator Rr actuator gnd a3 c1 Rr door open input a5 S217 S311 S401 S600 (right front door trim jumper, approx 61 cm from 8-pin conn in rf door) Sbm fuse 10a Simple bus interface Simple bus interface a12 Simple bus interface c1 Tan Theatre dim-1 c14 c1 To i/p junction block (diagram 2 of 2) To s301 (diagram 2 of 2) Instrument Illumination Wiring Diagram for Buick Park Avenue 1999 List of elements for Instrument Illumination Wiring Diagram for Buick Park Avenue 1999: 75 (2001) instrument panel integration module (behind left side of dash, right of steering column) (i/p harn, approx 48 cm from radio breakout) s211 (knee bolster jumper harn, behind center of dash) s216 (right kick panel) 50k ohm A11 A14 Ashtray lamp B16 C2 i/p junction block (behind glove box) c3 D14 Dim enable in Dim enable input Dim enable output Dim input Dimmimg control Dimming in Dimming input Dimming out Driver information switch Driver's door module (ddm) (inside driver's door, above radio speaker) E16 G200 (left kick panel) G203 G203 (right kick panel) G403 (right side of luggage compt, behind wheelhouse) Gnd Ground Head-up display (hud) module (behind upper left side of dash) Head-up display (hud) switch Headlamp switch Heater & a/c programmer (1998-00) Heater and a/c control assembly (6 bulbs) Hot in start or run Hud fuse 10a I/p fuse block (behind glove box) I/p junction block (behind glove box) I/p junction block (behind glove box) c3 Inflatable restraint steering wheel module coil Instrument cluster Lamp control module (lcm) Left front door lock switch Left front heated seat switch Left front window swtich Left side steering wheel controls Nca Panel dimming module Park lamp drive Passenger temperature control Passenger's door module (pdm) (inside front passenger's door, above radio speaker) Pnk Prk lp input Radio Right front door lock switch Right front heated seat switch Right front window switch Right side steering wheel controls S205 S208 S209 S210 S212 (i/p harn, approx 51cm from heater and a/c control breakout) S213 S217 S298 S303 S502 (left front door harn, approx 23 cm from left door sw breakout) S503 S602 (right front door harn, in right front door) Steering column fuse holder Switch fuse 2a Vf dim in Vf dim input Vf dim out
MEMORY SYSTEMS Memory Mirrors Wiring Diagram for Buick Park Avenue 1999 List of elements for Memory Mirrors Wiring Diagram for Buick Park Avenue 1999: 48 Batt(+) Battery C1 a12 C1 c3 C2 c10 Ddm fuse 10a Driver Driver 1 input Driver 2 input Driver's door module (inside driver's door, above radio speaker) Exit G200 (left kick panel) G203 (right kick panel) Gnd Heating element feed Heating element return Hot at all times I/p junction block Left front power window switch Left outside mirror Left/ right motor Left/ right motor position sensor Left/right motor control Left/right motor position input Logic gnd Memory function switch Mirror heating element Motor control c4 Motor control c5 Passenger's door module (inside passenger's door, above radio speaker) Pdm fuse 10a Pnk Postion sensors feed Postion sensors return Rear door module Rear junction block Right outside mirror S203 S205 S207 S208 S503 Simple bus interface Up/ down motor Up/ down motor position sensor Up/down Up/down motor control Up/down motor position input Memory Seat Wiring Diagram for Buick Park Avenue 1999 List of elements for Memory Seat Wiring Diagram for Buick Park Avenue 1999: 92 (in left front seat harn, below left front seat) (left front seat harn, 15 cm from memory seat module) (lumbar harn, under left front seat, 50 cm from 4-pin in-line conn) A10 A11 Battery C10 C11 C12 C13 C14 C15 C16 Class 2 data D10 D11 D12 D13 D14 D15 D16 Driver Driver 1 input Driver 2 input Drivers door module (inside driver's door) Exit F10 Frnt hgt mtr sens in Front Front height sw input Fwd Fwd-bk mtr sens in Fwd/bk sw unput G200 (left kick panel) G203 (right kick panel) Ground Head restraint Head restraint sw in Hot at all times Hot in run or start I/p junction block Ign sen fuse 10a Ignition Left forward back motor Left forward/ back position sensor Left front height motor Left front height position sensor Left front power window switch Left front seat lumbar switch Left front seat switch Left headrest motor Left rear height motor Left rear height position sensor Left recliner motor Left recliner position sensor Lumbar down in Lumbar in input Lumbar in/out motor Lumbar in/out position sensor Lumbar in/out sens in Lumbar out in Lumbar up in Lumbar up/dn motor Lumbar up/dn position sensor Lumbar up/dn sens in Mem/ rfa fuse 10a Memory function switch Memory seat module (on underside of left front seat, on seat adjuster frame) Nca Out Pnk b Position sensors feed Pwr seat circuit breaker 25a Rear Rear height sw input Rear hgt mtr sens in Rear junction block Recline Recline mtr sens in Recliner sw input S332 S334 S335 S336 S337 S338 S339 S503 Simple bus interface Solid state Tan Tan a
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Buick Park Avenue 1999 List of elements for Power Distribution Wiring Diagram (1 of 4) for Buick Park Avenue 1999: 67 A10 c1 A12 Ashtray cigar lighter B10 B12 Batt 1 maxifuse 60a Batt 2 maxifuse 60a Battery Blo mot maxifuse 30a Blower control module Body control module Bose amplifier C/ltr fuse 15a C10 Cd player Cd/ph fuse 10a Cellular telephone handset Cellular telephone module Cool fan 1 maxifuse 30a Cool fan 1 relay Cool fan 2 maxifuse 30a Cool fan 2 relay Cool fan s/p relay Cstr/sbm fuse 10a Data link connector Ddm fuse 10a Driver door module E11 E12 F/pmp fuse 20a F10 F11 Fuel door release solenoid Fuel pump relay G201 (right kick panel) Generator Hdlp maxifuse 30a Htdstl fuse 10a Hvac programmer I/p fuse block Ign maxifuse 40a Instrument cluster Lamp control module Left heated seat module Passenger door module Pdm fuse 10a Radio Rdm fuse 10a Rdo fuse 10a Rear door module Rear fuse block Red Run/crk fuse 15a S217 Sbm fuse 15a Starter maxifuse 30a Starter relay Starter solenoid To i/p fuse block pin d10 (diagram 3 of 4) To ign relay (diagram 3 of 4) To lp pk fuse (diagram 4 of 4) To rear fuse block pins a7 and b7 (diagram 2 0f 4) To rr defog maxifuse (diagram 2 of 4) To run fuse (diagram 3 of 4) Trk rel fuse 15a Trunk lid release relay Underhood fuse block Power Distribution Wiring Diagram (2 of 4) for Buick Park Avenue 1999 List of elements for Power Distribution Wiring Diagram (2 of 4) for Buick Park Avenue 1999: 75 (left front seat harn, 31.5 cm from left front seat switch) (left front seat harn, 31.5 cm from left seat switch) (right front seat harn, 31.5 cm from right seat switch) A10 A11 A12 A16 Abs- motor maxifuse 40a Abs- solenoid maxifuse 40a Accessory power receptacle Automatic level control compressor Automatic level control sensor Aux otlt maxifuse 30a Auxot lt fuse 25a B12 C/ltr l fuse 15a C/ltr r fuse 15a C11 Cellular telephone handset Cigar lighter D11 Driver door module E12 Elc circuit breaker 30a Elc relay Electronic brake/ traction control module F10 From battery (diagram 1 0f 4) From battery 2 maxifuse (diagram 1 0f 4) G201 (right kick panel) G402 (left side of luggage compt, behind wheelhouse) G403 (right side of luggage compt, behind wheel house) Htd bk lite relay Htdst r fuse 10a I/p fuse block Inflatable restraint steering wheel module coil Left front seat lumbar switch Left front seat switch Left rear door cigar lighter Mem/rfa fuse 10a Memory seat module Nca Passenger door module Pwr seat circuit breaker 25a Pwr wdo circuit breaker 30a Radio Rap relay Rdo/ph fuse 5a Rear cigar lighter Rear door module Rear fuse block Red Remote function actuator module Right front seat lumbar switch Right front seat switch Right heated seat module Right rear door cigar lighter Rr defog maxifuse 40a S202 (body harn, left rear of engine compartment) S208 S330 S331 S332 S338 S400 S401 Sp300 Steering column fuse holder Sunroof fuse 20a Sunroof module Switch fuse 2a Under- hood maxi fuse block Underhood fuse block W/ memory seats W/o memory seats Power Distribution Wiring Diagram (3 of 4) for Buick Park Avenue 1999 List of elements for Power Distribution Wiring Diagram (3 of 4) for Buick Park Avenue 1999: 87 A/c fuse 10a A11 Abs fuse 10a Accy Accy relay Air inlet actuator Automatic day/night mirror Automatic level control sensor B11 B15 C1 d3 C1 d5 C1 f2 C10 C11 C2 a4 C2 a6 C2 c10 C2 e2 C2 f1 C3 a5 C3 b6 C3 c5 C3 d10 C3 d2 C3 e9 C4 d12 Cr cont fuse 10a Cruise control module D11 D13 Driver air mix actuator Elc fuse 10a Elc relay Electronic brake/ traction control module Engine coolant level switch F12 From ign maxifuse (diagram 1 of 4) From run fuse (diagram 3 of 4) From run/crk fuse (diagram 1 of 4) From underhood fuse block (diagram 1 of 4) G103 (base of right front strut tower) G201 (right kick panel) Garage door opener Head up display module Head up display switch Heater & a/c control assembly Htd bk lite relay Hud fuse 10a Hvac fuse 10a Hvac pro- grammer I/p fuse block Ign relay Ign sen fuse 10a Ign-3 relay Ignition switch Instrument cluster Left front heated seat control module Lock Memory seat module Mode actuator Multi- function lever Nca Nca nca Off Outside moisture sensor Passenger's air mix actuator Pnk Pnk c3 Rear fuse block Red Remote function actuator module Right heated seat module Run Run fuse 10a S101 S274 (hvac harn, 35.5 cm from mode actuator) S305 (headliner harness) Start To accy & ign-3 relays (diagram 3 of 4) To c31 fuse (diagram 4 of 4) To rear fuse block pins c2 an a5 (diagram 4 of 4) Under- hood fuse block Windshield wiper motor Windshield wiper/ washer switch Wsw fuse 30a Wsw/rfa fuse 10a Power Distribution Wiring Diagram (4 of 4) for Buick Park Avenue 1999 List of elements for Power Distribution Wiring Diagram (4 of 4) for Buick Park Avenue 1999: 83 (vin 1) (vin k) A/c clu fuse 10a A/c clutch relay A11 A12 A15 Abs/tcc switch Automatic transaxle B/u lp fuse 10a B10 B12 Body control module C1 c7 C1 d14 C1 e12 C1 e4 C2 a7 C2 a9 C2 e1 C2 e4 C2 f5 C2 f6 C3 b1 C3 c2 C3 e3 C3 e5 C3 e6 C3 e7 C3 f5 C3i fuse 10a C4 a5 C4 a9 Charge air control valve solenoid Crk fuse 5a E11 E12 Evaporative emissions canister vent valve Evaporative emissions purge valve F12 From ign-1 relay (diagram 3 of 4) From ignfd fuse (diagram 4 of 4) From ignition switch pin a7 and a8 (diagram 3 of 4) From l underhood fuse block (diagram 1 of 4) Fuel injector Heated oxygen sensor bank 1 sensor 1 Heated oxygen sensor bank 1 sensor 2 Horn fuse 30a Horn relay Hzdt/sg fuse 15a I/p fuse block Ignfd fuse 10a Ignition control module Inflatible restraint sensing & diagnostic module Injr fuse 10a Instrument cluster Lamp control module Lp pk fuse 25a Mass air flow sensor Nca Oxy sen fuse 10a Pcm fuse 10a Pcm/cru fuse 10a Perim lp relay Pnk Pnk d Pnk f6 Pnk pnk Powertrain control module Rear fuse block Remote function actuator module Sbm fuse 10a Sbm/lcm fuse 10a Sir fuse 10a Starter relay Stop fuse 20a Stop lamp/ btsi switch T/sig fuse 10a Theft deterrent module To t/s & sbm/lcm fuse (diagram 4 of 4) Turn signal flasher Turn signal/ hazard switch Under- hood bussed electrical center Under- hood fuse block
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Buick Park Avenue 1999 List of elements for Power Door Lock Wiring Diagram for Buick Park Avenue 1999: 58 (right kick panel) A10 A11 A12 B10 B11 Batt out (b+) Battery (b+) Buss interface C10 Computer data lines system D11 Ddm fuse 10a Driver's door module (ddm) (inside left front door) G200 (left kick panel) G203 Ground Hot at all times I/p junction block (behind glove box) Interior lights system Left front door lock actuator Left front door lock switch Left front power window switch Left rear door lock actuator Lft lock out Lft unlock out Lock Lock in Lock out Logic ground Passenger's door module (pdm) (inside right front door) Pdm fuse 10a Pnk Pwr wdo circuit breaker 30a Rdm fuse 10a Rear door module (rdm) (under right rear seat) Rear junction block (under right rear seat) Red Remote function actuator module (under center of rear package shelf) Right front door lock actuator Right front door lock switch Right rear door lock actuator Rt lock out Rt unlock out S202 S203 S205 S207 S208 S300 red S401 S503 Serial data Tan Under- hood maxifuse block Unlock Unlock in Unlock out
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Buick Park Avenue 1999 List of elements for Electrochromic Mirror Wiring Diagram for Buick Park Avenue 1999: 29 Automatic day/night mirror B/u lp fuse 10a C11 C11 c3 Driver's door module (ddm) (inside driver's door, above radio speaker) E11 Exterior lights system G403 (right side of luggage compt, behind wheelhouse) Ground Hot at all times Hot in run Htd bk lite relay I/p fuse block (behind glove box) Ign sen fuse 10a Ignition positive voltage Input Left outside power mirror Output Outside ec mirror reflectivity control input Outside ec mirror reflectivity control output Perim lp relay Pnk Rear fuse block (below right of rear seat) Rear fuse block (below right side of rear seat) Remote function actuator (rfa) module (under center of rear package shelf) Reverse relay input Rly ctrl S305 S306
POWER SEATS Driver Heated Seat Wiring Diagram for Buick Park Avenue 1999 List of elements for Driver Heated Seat Wiring Diagram for Buick Park Avenue 1999: 43 (right kick 10a Bat Body control module (behind glove box) C3 a11 C3 e8 Driver heated seat module (under left front seat) Driver heated seat switch Driver seat E11 Enable input Enable output F11 G203 Ground Heat sw input Hi led control Hot at all times Hot in run or start Htdst l fuse I/p fuse block I/p junction block Ign Ign sen fuse Interior lights system Left seat back heater Left seat cushion heater Lo led control Nca Nca high therm input Nca lo therm input Nca seat back control Nca seat cush control nca seat cush control Panel) Pnk Rear fuse block Right heated seat module S208 S217 S332 Seat status input Status output Thermistor Lumbar Wiring Diagram for Buick Park Avenue 1999 List of elements for Lumbar Wiring Diagram for Buick Park Avenue 1999: 25 B pnk C317 C318 F pnk F tan F10 G203 (right kick panel) Hot at all times Left front seat lumbar switch Left lumbar in/out motor Left lumbar up/dn motor Nca Out Power seats circuit Pwr seat circuit breaker 25a Rear fuse block Right front seat lumbar switch Right lumbar in/out motor Right lumbar up/dn motor S208 S330 S331 S332 S333 Solid state Passenger Heated Seat Wiring Diagram for Buick Park Avenue 1999 List of elements for Passenger Heated Seat Wiring Diagram for Buick Park Avenue 1999: 44 (right kick 10a B12 Bat Body control module (behind glove box) C3 a11 C3 b11 E12 Enable input Enable output F11 F12 Front passenger heated seat module (under right front seat) Front passenger heated seat switch Front passenger seat G203 Ground Heat sw input Hi led control Hot at all times Hot in run or start Htdst r fuse I/p fuse block I/p junction block Ign Ign sen fuse Interior lights system Left heated seat module module Lo led control Nca Nca high therm input Nca lo therm input Nca seat back control Nca seat cush control nca seat cush control Panel) Rear fuse block Right seat back heater Right seat cushion heater S208 S217 S333 Seat status input Status output Thermistor Power Seats Wiring Diagram for Buick Park Avenue 1999 List of elements for Power Seats Wiring Diagram for Buick Park Avenue 1999: 25 Driver seat adjuster switch Driver seat belt tower motor Driver seat horizontal motor Driver seat rear vertical motor Driver seat recline motor Driver seat vertical motor F10 Front passenger seat adjuster switch Front passenger seat belt tower motor Front passenger seat front vertical motor Front passenger seat horizontal motor Front passenger seat rear vertical motor Front passenger seat recline motor Fwd G203 (right kick panel) Hot at all times Nca Pwr seat circuit breaker 25a Rear fuse block S330 S331 S332 S333 Solid state Tan
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Buick Park Avenue 1999 List of elements for Power Top/Sunroof Wiring Diagrams for Buick Park Avenue 1999: 19 (right side of luggage compartment, behind wheel house) g403 Close Closed Ground Hot in run, accessory & retained accessory power Ignition Limit sw Motor Motor ctrl Open Rear junction block (below right side of rear seat) Red S401 Slide input Sun roof control module (on rear underside of roof) Sun roof motor (on rear underside of roof) Sun roof switch Sunrf fuse 20a Vent input
POWER WINDOWS Power Window Wiring Diagram for Buick Park Avenue 1999 List of elements for Power Window Wiring Diagram for Buick Park Avenue 1999: 60 (inside front passengers door, above radio speaker) (right side of luggage compt behind wheelhouse) A10 A11 A12 A8 c1 B10 B11 B12 Battery (b+) Battery b+ Bus interface C10 C8 c4 Computer data lines system D10 Ddm fuse 10a Down Down input Driver door module (inside drivers door, radio speaker) G200 (left kick panel) G203 (right kick panel) G403 Ground Hot at all times I/p fuse block (behind glove box) Interior lights system Lamp feed Left front power window switch Left front window motor Left rear power window switch Left rear window motor Lf win ctrl Lr win ctrl Passenger door module Pdm fuse 10a Pnk Pwr wdo circuit breaker 30a Rdm fuse 10a Rear door module (under right side of rear seat) Rear fuse block (below right side of rear seat) Red Return Rf win ctrl Right front power window switch Right front window motor Right rear power window switch Right rear window motor Rr win ctrl S202 S203 S205 S207 S208 S401 Serial data Solid state Sp300 Underhood maxi fuse block (right front of engine comp, forward of strut tower) Up input
RADIO Radio Wiring Diagrams, without Amplifier for Buick Park Avenue 1999 List of elements for Radio Wiring Diagrams, without Amplifier for Buick Park Avenue 1999: 71 (body harn, 24 cm from left dash-to- eng compt grommet) s219 1997-98 1999-00 Antenna enable B12 Battery voltage C2 f10 Computer data lines system Diplay dim sig out Display dim sig in E10 E11 E12 E13 E14 E15 E16 E3 c3 F10 F11 F12 F13 F14 F15 F16 G200 (left kick panel) Ground Hot at all times Hot in run, acc or retained accessory power I/p fuse block (behind glove box) Ign voltage Inflatable restraint steering wheel module coil Interior lights system Left front speaker (midrange) Left front speaker (tweeter) Left rear speaker Lf chnl out (+) Lf chnl out (-) Lr chnl out (+) Lr chnl out (-) Nca Panel lamp in Power antenna system Radio Rdo fuse 10a Rdo/ph fuse 5a Rear fuse block (below right side of rear seat) Rf chnl out (+) Rf chnl out (-) Right front speaker (midrange) Right front speaker (tweeter) Right rear speaker Rr chnl out (+) Rr chnl out (-) S209 S218 (body harn, 27 cm from park brake switch) Serial data uart Steering column fuse holder (1998-00) Steering wheel control switch Strg whl ctlr Sw1 Sw2 Sw3 Sw4 Sw5 Sw6 Sw7 Sw8 Switch fuse 2a Tan Tan b
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Buick Park Avenue 1999 List of elements for Shift Interlock Wiring Diagram for Buick Park Avenue 1999: 21 Auto trans shift lock control Auto trans shift lock control solenoid (base of steering column) Automatic transaxle internal mode switch Body control module (behind glove box) C200 Class 2 serial data Computer data lines system Data line G117 (right rear of engine) G200 (left kick panel) Lamp control module (behind left side of dash, right of steering column) Opens when brake pedal is depressed Park gear input Powertrain control module (left side of engine compt, inside air cleaner) Range sw a signal Range sw b signal Range sw c signal Range sw p signal S108 S205 Stoplamp/ auto trans shift lock control switch (behind dash, on brake pedal support)
STARTING/CHARGING Charging Wiring Diagram for Buick Park Avenue 1999 List of elements for Charging Wiring Diagram for Buick Park Avenue 1999: 13 (left front of engine compt, in air cleaner housing) powertrain control module (not used) Bat Battery Class 2 serial data Computer data lines system G125 (lower center front of engine) Gen. term. f input Gen. term. l output L generator Red Starter solenoid Underhood junction block (right front of engine compt, near battery) Starting Wiring Diagram for Buick Park Avenue 1999 List of elements for Starting Wiring Diagram for Buick Park Avenue 1999: 30 A10 Accy Automatic transaxle internal mode switch Battery Bulb test Crank fuse 5a D10 F11 G117 (right rear of engine) G125 (lower center front of engine) Hold- in coil I/p junction block (behind glove box) Ignition switch Lock Nca Off Powertrain control module (pcm) (left front of engine compt, in air cleaner housing) Pull- in coil Rear junction block (below right side of rear seat) Run Run/crank fuse 15a S108 Start Starter enable relay control Starter fuse 30a Starter motor Starter relay Starter solenoid Transaxle mode switch sense Underhood junction block (right front of engine compt)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Buick Park Avenue 1999 List of elements for Supplemental Restraint Wiring Diagram for Buick Park Avenue 1999: 21 Computer data lines Data line Driver high Driver low E3 c3 G301 (below right front seat) Ground Hot in run or start Ign pos volt (b+) Inflatable restraint dash module (top right of dash) Inflatable restraint sensing and diagnostic module (sdm) (below right front seat, under carpet) Inflatable restraint steering wheel module (on steering wheel) Inflatable restraint steering wheel module coil Nca Passenger high Passenger low S307 Serial data line Shorting bar Sir fuse 10a Underhood fuse block (right front of engine compt)
TRANSMISSION
3.8L 3.8L VIN 1, A/T Wiring Diagram for Buick Park Avenue 1999 List of elements for 3.8L VIN 1, A/T Wiring Diagram for Buick Park Avenue 1999: 83 (engine harn, 15 cm from breakout to cruise control module) (engine harn, 47 cm from breakout to pcm) 1-2 shift sol 2-3 shift sol 5v ref a A/t sensor hi A/t sensor lo Abs switch in Abs/tcc switch (brake pedal support) Automatic transaxle (4t65-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Automatic transaxle range switch (top left side of transaxle) Battery in Body control module C1 e4 C2 e12 C2 e4 C2 e8 C2 f12 C2 f6 C2 f7 C3 a12 C3 c2 C3 e6 Computer data lines system Data class ii Ect in Ect return Engine controls Engine coolant temperature sensor (rear of engine, below thermostat housing) G125 (front of engine, below power steering pump) G200 (left kick panel) Hot at all times Hot in off, run or start Hot in run or start Housing) I/p fuse block (behind glove box) Ignfd fuse 10a Ignition in Instrument cluster Instrument cluster, pass- key module Malfunction indicator lamp Mil ctrl Pc sol hi Pc sol lo Pcm fuse 10a Pcm ground Pcm/cru fuse 10a Pnk Powertrain control module (in air cleaner Pressure control sol Rear fuse block (below right side of rear seat) Red S108 S115 S203 Sbm lcm fuse 10a Sensor return Tan Tcc pwm sol Tcc rel Tcc release in Tcc switch in Tft sensor in Throttle position sensor (on throttle body) Tp ground Tps in Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Tr-a Tr-b Tr-c Trans range a Trans range b Trans range c Underhood fuse block (near battery) Vehicle speed sensor (lower right rear of engine compt) Vss hi Vss lo 3.8L VIN K, A/T Wiring Diagram for Buick Park Avenue 1999 List of elements for 3.8L VIN K, A/T Wiring Diagram for Buick Park Avenue 1999: 83 (engine harn, 15 cm from breakout to cruise control module) (engine harn, 47 cm from breakout to pcm) 1-2 shift sol 2-3 shift sol 5v ref a A/t sensor hi A/t sensor lo Abs switch in Abs/tcc switch (brake pedal support) Automatic transaxle (4t65-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Automatic transaxle range switch (top left side of transaxle) Battery in Body control module C1 e4 C2 e12 C2 e4 C2 e8 C2 f12 C2 f6 C2 f7 C3 a12 C3 c2 C3 e6 Computer data lines system Data class ii Ect in Ect return Engine controls Engine coolant temperature sensor (rear of engine, below thermostat housing) G125 (front of engine, below power steering pump) G200 (left kick panel) Hot at all times Hot in off, run or start Hot in run or start Housing) I/p fuse block (behind glove box) Ignfd fuse 10a Ignition in Instrument cluster Instrument cluster, pass- key module Malfunction indicator lamp Mil ctrl Pc sol hi Pc sol lo Pcm fuse 10a Pcm ground Pcm/cru fuse 10a Pnk Powertrain control module (in air cleaner Pressure control sol Rear fuse block (below right side of rear seat) Red S108 S115 S203 Sbm lcm fuse 10a Sensor return Tan Tcc pwm sol Tcc rel Tcc release in Tcc switch in Tft sensor in Throttle position sensor (on throttle body) Tp ground Tps in Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Tr-a Tr-b Tr-c Trans range a Trans range b Trans range c Underhood fuse block (near battery) Vehicle speed sensor (lower right rear of engine compt) Vss hi Vss lo
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagrams for Buick Park Avenue 1999 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagrams for Buick Park Avenue 1999: 27 Body control module (sbm) (behind glove box) C2 f9 C4 a6 Computer data lines system D11 Data lines E7 c3 F4 c3 F7 c3 Fuel door release solenoid (in left quarter panel, at fuel filler door pocket) Fuel door release switch G203 (right kick panel) G403 (right side of luggage compt, behind wheelhouse) Hot at all times I/p junction block (behind glove box) Pnk Rear compartment lid release relay Rear compartment lid release actuator (on rear compt lid latch) Rear compartment lid release switch (w/ mechanical valet lockout) (on center of rear compt, on latch) Rear junction block (below right side of rear seat) Remote function actuator (rfa) module (under center of rear package shelf) Rly ctrl S208 S217 S401 Sw input Trk rel fuse 15a
WARNING SYSTEMS Warning System Wiring Diagrams for Buick Park Avenue 1999 List of elements for Warning System Wiring Diagrams for Buick Park Avenue 1999: 57 (ub7 cluster only) A12 A7 c3 B12 Battery positive voltage Body control module (sbm) (behind glove box) C10 C12 C2 c3 C3 c4 Class 2 serial data Class 2 serial data line Computer data lines system Crank positive voltage Crk fuse 5a Cstr/sbm fuse 10a D14 Driver's door module (ddm) (inside driver's door, above radio speaker) E5 c3 F11 F5 c3 G200 (left kick panel) G203 (right kick panel) Gnd Ground Hot at all times Hot in off, run or start Hot in run or start Hot in start I/p bussed electrical center (bec) (behind right side of dash) Ignition positive voltage Input Instrument panel cluster Key in ignition input Key-in ignition switch Lamp control module (lcm) (behind left of dash, right of steering column) Left front door jamb switch Left front seat belt switch Lights on chime input Lights on input Nca Output Pnk Power distri- bution system Power distribution system Rear bussed electrical center (bec) (right rear of passenger compt, under rear seat) Remote function actuator (rfa) module (under center of rear package shelf) S213 S337 Sbm fuse 10a Sbm fuse 15a Sbm lcm fuse 10a Seat belt switch Seat belt telltale output Seat belt warn ind Tan Underhood junction block (right front of engine compt, near battery)
WIPER/WASHER Wiper/Washer Wiring Diagram for Buick Park Avenue 1999 List of elements for Wiper/Washer Wiring Diagram for Buick Park Avenue 1999: 30 (not used) Ctrl G106 (near rear of air cleaner housing) G403 (right side of luggage compt, behind wheelhouse) Ground Hi speed input Hot in acc or run I/p junction block (behind glove box) Ign Ignition Max Min Mist Nca Off Outside moisture sensor (above rearview mirror) Pump ctrl Rainsense inputs Red S100 S306 Washer input Washer switch Windshield washer pump motor Windshield wiper motor Windshield wiper/washer switch Wiper speed input Wiper switch Wsw fuse 30a Wsw/rfa fuse 10a
